<tr class="bonificacion">
  <% fields_for_associated :convenio, bonificacion do |b| %>
    <td><%= b.collection_select :familia_id, @familias, :id, :nombre, {}, {:index => nil} %></td>
    <td><%= b.collection_select :marca_id, @marcas, :id, :nombre, {:include_blank => true}, {:index => nil} %></td>
    <td><%= b.text_field :porcentaje, :size => 5, :index => nil %></td>
    <td><%= b.select :destino, Bonificacion::DESTINO, {}, {:index => nil} %></td>
    <td><%= delete_link_for(bonificacion, "Quitar", b) %></td>
  <% end %>
</tr>
